Home / 1,650,030-2,275,314.36-1,221,209.52

Finding the Fourth Proportional to 1,650,030, 2,275,314.36 and 1,221,209.52

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Solution

The fourth proportional to 1,650,030, 2,275,314.36 and 1,221,209.52 is: 1,683,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650,030 : 2,275,314.36 = 1,221,209.52 : x
  2. Step 2: Convert to fraction form
    1,650,030/2,275,314.36 = 1,221,209.52/x
  3. Step 3: Cross multiply
    1,650,030x = 2,275,314.36 × 1,221,209.52
  4. Step 4: Simplify right side
    1,650,030x = 2,778,635,557,424.71
  5. Step 5: Solve for x
    x = 2,778,635,557,424.71/1,650,030
  6. Step 6: Final answer
    x = 1,683,990.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.